Connecting Tubing Between Indoor And Outdoor Units - Panasonic S-M20PY3E Installation Instructions Manual

5-2. Connecting Tubing Between Indoor and Outdoor Units

(1) Tightly connect the indoor-side refrigerant tubing extended from the wall with the outdoor-side
tubing.
Indoor Unit Tubing Connection
Indoor unit type
Gas tube
Liquid tube
Different-diameter-tube joint for the indoor unit tubing connection part is supplied with
S-60PY3E.
The size of parenthesis indicates the connection tube diameter when using the different-
diameter-tube joint.
How to use different-diameter-tube joint (supplied)
1) When using with single connection
• Outdoor PZ3 and PZH3 series (Type 60)
Connect the liquid socket tube B (ø6.35 - ø9.52)
to the liquid tubing side indoor unit
Liquid tube (ø6.35)
Gas tube (ø12.7)
Connect the gas socket tube A (ø12.7 - ø15.88)
to the gas tubing side indoor unit
The following examples show the multiple connections.
● C onnectable or disconnectable units vary depending on a series of outdoor units. Refer to
the installation instructions for the outdoor unit as well.
● Two, three or four indoor units can be operated simultaneously with a single remote controller.
Note that individual operation is not possible.
● Master unit and slave unit can be set automatically in twin, triple and double twin system.
No address setting is necessary.
S-25, 36, 50PY3E
ø12.7
ø6.35
Unit : mm
S-60PY3E
ø15.88 (ø12.7)
ø9.52 (ø6.35)
35